Mailserver configuration

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This page provides information on how to make your mailserver more resiliant against mail abuse.

Resources

  1. Mail-Test - tests the spammyness of your emails (SPF, DKIM, DMARC)
  2. Port 25 Authentication Checker - tests whether SPF and DKIM have been correctly setup for you domain
  3. OpenDKIM update helper - automate the generation of new DKIM keys

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